<template>
  <div>
    <!-- banner -->
    <div class="banner category-cover">
      <h1 class="banner-title">分类</h1>
    </div>
    <!-- 分类列表 -->
    <v-card class="lsv-container">
      <div class="category-title">分类 - {{ count }}</div>
      <ul class="category-list">
        <li
          class="category-list-item"
          v-for="item of categoryList"
          :key="item.id"
        >
          <router-link :to="'/categories/' + item.id">
            {{ item.categoryName }}
            <span class="category-count">({{ item.videoCount }})</span>
          </router-link>
        </li>
      </ul>
    </v-card>
  </div>
</template>

<script>
export default {
  created () {
    this.listCategories()
  },
  data: function () {
    return {
      categoryList: [],
      count: 0
    }
  },
  methods: {
    listCategories () {
      this.axios.get('/api/categories').then(({ data }) => {
        this.categoryList = data.data.recordList
        this.count = data.data.count
      })
    }
  },
  computed: {
    cover () {
      var cover = ''
      this.$store.state.videoInfo.pageList.forEach((item) => {
        if (item.pageLabel === 'category') {
          cover = item.pageCover
        }
      })
      return 'background: url(' + cover + ') center center / cover no-repeat'
    }
  }
}
</script>

<style scoped>
.category-cover {
  background: url('http://www.static.hdiata.com/category.jpg') center center /
    cover no-repeat;
}
.category-title {
  text-align: center;
  font-size: 36px;
  line-height: 2;
}
@media (max-width: 759px) {
  .category-title {
    font-size: 28px;
  }
}
.category-list {
  margin: 0 1.8rem;
  list-style: none;
}
.category-list-item {
  padding: 8px 1.8rem 8px 0;
}
.category-list-item:before {
  display: inline-block;
  position: relative;
  left: -0.75rem;
  width: 12px;
  height: 12px;
  border: 0.2rem solid #49b1f5;
  border-radius: 50%;
  background: #fff;
  content: '';
  transition-duration: 0.3s;
}
.category-list-item:hover:before {
  border: 0.2rem solid #ff7242;
}
.category-list-item a:hover {
  transition: all 0.3s;
  color: #8e8cd8;
}
.category-list-item a:not(:hover) {
  transition: all 0.3s;
}
.category-count {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: #858585;
}
</style>
